Mercedes-Benz 2013 M Class - Manual (Page 54)

An incorrectly mounted child seat could cause
injuries to the child in case of an accident,
instead of increasing protection for the child.
Follow the manufacturer's instructions for
installation of child restraint systems.
The 45 indicator lamp lights up:
R
if you turn the SmartKey in the ignition lock
to position
1 or 2
R
if you press the KEYLESS-GO Start/Stop
button once or twice on vehicles with
KEYLESS-GO
R
if an adult is seated properly on the front-
passenger seat and the OCS classifies the
occupant as an adult
The 45 indicator lamp goes out
after approximately six seconds.
If the seat is not occupied and the OCS
detects that the front-passenger seat is
empty, the 45 indicator lamp will
continue to light up. The 45
indicator lamp will not go out.
For more information about the OCS, see
"Problems with the Occupant Classification
System" (
Y page 53).
52
Occupant safety
Safety